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English
3
Controls and Operational Features
A. Output Current Knob: Potentiometer used to set the
output current used during cutting. Refer to the
Technical Specification section for more information
about the machine rated current range.
B. Gas Test/Purge Switch: This switch opens the air
stream from the torch with no cutting current being
present; this feature is very useful to blow the work
piece, to cool the torch or to simply check the
availability of air in the torch circuit.
C. Power ON/OFF LED: This LED lights up when the
machine is ON.
D. Output LED: This LED lights up when the output
terminals of the power source are energized.
E. Gas Alarm LED: This indicator lit when the value of
the cutting torch air pressure falls below the
minimum level required.
F. Thermal LED: This LED lights up when the
machine is overheated and the output has been
disabled. This usually occurs when the duty cycle
of the machine has been exceeded. Leave the
machine on to allow the internal components to
cool. When the thermal LED light turns off, normal
operation is again possible.
G. Cutting LED (PC 105 only): This LED lights up
during cutting.
H. Remote ON/OFF Switch (PC 105 only): This switch
enables/disables the Remote Control Connector.
I.
Remote Control Connector (PC 105 only): Connect
here the remote control unit. Refer to the picture
below for the functions related to each pin of the
connector (front view):
1. INPUT 0-5Vdc: Output Current Adjustment.
2. OUTPUT 12Vdc @ 1A max: Auxiliary Power
supply.
3. GROUND.
4. INPUT: Start power source active connecting
to GROUND.
5. GROUND.
6. CLEAN CONTACT POLE (1
st
pole): Normally
Open contact closes when the arc is transferred
to the work. Maximum contact rating: 120Vac
@ 1A.
7. CLEAN CONTACT POLE (2
nd
pole): See point
6 above.
J. Torch Connector: Connect here the cutting torch.
The torch connection to the power source is very
easily performed through a quick-connector carrying
the torch trigger circuit, the gas line and the torch
power cable.
Slide the metal safety
sleeve (1) on the torch
cable, over the torch
connector.
Insert the torch
connector into the
corresponding
receptacle on the front
panel.
Slide down the safety sleeve until it fits on the
front panel and fasten it using the 3 supplied
screws.
WARNING
Use ONLY the torch supplied with this machine.
For a replacement refer to the Maintenance section
of this manual.
WARNING
TORCH PROTECTION: The torch delivered with
the power source is equipped with a safety device
that prevents the operator from accidental contact
with electrically live parts.
